﻿// NClass - Free class diagram editor
// Copyright (C) 2006-2009 Balazs Tihanyi
// Copyright (C) 2020 Georgi Baychev

// This program is free software; you can redistribute it and/or modify it under 
// the terms of the GNU General Public License as published by the Free Software 
// Foundation; either version 3 of the License, or (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful, but WITHOUT 
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 
// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with 
// this program; if not, write to the Free Software Foundation, Inc., 
// 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

using System;
using System.Collections;
using System.Collections.Generic;

namespace NClass.Core
{
    public abstract class ArgumentList : CollectionBase, IEnumerable<Parameter>
    {
        protected ArgumentList()
        {
        }

        protected ArgumentList(int capacity) : base(capacity)
        {
        }

        public Parameter this[int index]
        {
            get { return (InnerList[index] as Parameter); }
        }

        IEnumerator<Parameter> IEnumerable<Parameter>.GetEnumerator()
        {
            for (int i = 0; i < InnerList.Count; i++)
                yield return (Parameter) InnerList[i];
        }

        public void Remove(Parameter parameter)
        {
            InnerList.Remove(parameter);
        }

        protected bool IsReservedName(string name)
        {
            return IsReservedName(name, -1);
        }

        protected bool IsReservedName(string name, int index)
        {
            for (int i = 0; i < Count; i++) {
                if (((Parameter) InnerList[i]).Name == name && i != index)
                    return true;
            }
            return false;
        }

        /// <exception cref="BadSyntaxException">
        /// The <paramref name="declaration"/> does not fit to the syntax.
        /// </exception>
        /// <exception cref="ReservedNameException">
        /// The parameter name is already exists.
        /// </exception>
        public abstract Parameter Add(string declaration);

        /// <exception cref="BadSyntaxException">
        /// The <paramref name="declaration"/> does not fit to the syntax.
        /// </exception>
        /// <exception cref="ReservedNameException">
        /// The parameter name is already exists.
        /// </exception>
        public abstract Parameter ModifyParameter(Parameter parameter, string declaration);

        /// <exception cref="BadSyntaxException">
        /// The <paramref name="declaration"/> does not fit to the syntax.
        /// </exception>
        public abstract void InitFromString(string declaration);

        /// <exception cref="BadSyntaxException">
        /// The <paramref name="declaration"/> does not fit to the syntax.
        /// </exception>
        public abstract void InitFromDeclaration(IArgumentListDeclaration<IParameterDeclaration> declaration);

        public abstract ArgumentList Clone();
    }
}
